Finding the Fourth Proportional to 1,529,103.96, 2,110,217.40 and 840,828.24
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Solution
The fourth proportional to 1,529,103.96, 2,110,217.40 and 840,828.24 is: 1,160,372.63
Step by Step Solution
- Step 1: Write the proportion equation
1,529,103.96 : 2,110,217.40 = 840,828.24 : x - Step 2: Convert to fraction form
1,529,103.96/2,110,217.40 = 840,828.24/x - Step 3: Cross multiply
1,529,103.96x = 2,110,217.40 × 840,828.24 - Step 4: Simplify right side
1,529,103.96x = 1,774,330,382,459.38 - Step 5: Solve for x
x = 1,774,330,382,459.38/1,529,103.96 - Step 6: Final answer
x = 1,160,372.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.